diff --git a/scripts/install b/scripts/install
index a82f0fd..b4c3b38 100644
--- a/scripts/install
+++ b/scripts/install
@@ -126,9 +126,10 @@ ynh_script_progression --message="Installing The Lounge..."
 
 pushd $final_path
  	ynh_use_nodejs
- 	ynh_exec_warn_less NODE_ENV=production yarn install 
+	export NODE_ENV=production
+ 	ynh_exec_warn_less yarn install 
  	yarn add webpack webpack-dev-server --dev
- 	ynh_exec_warn_less NODE_ENV=production yarn build
+ 	ynh_exec_warn_less yarn build
 popd
 
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